CMPX Institutional Ownership
Top institutional (13F) holders of CMPX and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
41
Institutional value
$144.66M
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 6.3% | Aug 7, 2026 | $24.71M |
| STATE STREET CORPORATIONholding company | 5.5% | Sep 22, 2026 | $21.8M |
| Vanguard Capital Managementinvestment advisor | 3.4% | Aug 13, 2026 | $13.4M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | 2.6% | Aug 14, 2026 | $10.32M |
| Ameriprise Financial, Inc.holding company | 0.9% | Jul 17, 2026 | $8.45M |
| Vanguard Portfolio Managementinvestment advisor | 2.1% | Aug 13, 2026 | $8.26M |
| CITADEL ADVISORS LLCinvestment advisor | 2.1% | Sep 1, 2026 | $8.12M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 2.0% | Aug 14, 2026 | $7.73M |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | 1.9% | Aug 14, 2026 | $7.69M |
| BALYASNY ASSET MANAGEMENT L.P.investment advisor | 0.6% | May 15, 2026 | $5.92M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.0% | Nov 6, 2026 | $3.79M |
| FMR LLCinvestment advisor | 0.7% | Aug 13, 2026 | $2.65M |
| NORTHERN TRUST CORPinvestment advisor | 0.6% | Aug 13, 2026 | $2.5M |
| Fisher Asset Management, LLCinvestment advisor | 1.1% | Nov 6, 2026 | $2.02M |
| JPMORGAN CHASE & COholding company | 0.4% | Aug 12, 2026 | $1.71M |
| MORGAN STANLEYholding company | 0.4% | Aug 13, 2026 | $1.61M |
| UBS Group AGbank | 0.4% | Aug 13, 2026 | $1.56M |
| Point72 Asset Management, L.P.investment advisor | 0.4% | Aug 14, 2026 | $1.5M |
| BANK OF AMERICA CORP /DE/holding company | 0.3% | Aug 14, 2026 | $1.24M |
| Dimensional Fund Advisors LPinvestment advisor | 0.5% | Nov 4, 2026 | $890.8K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 0.2% | Aug 14, 2026 | $869.6K |
| AllianceBernstein L.P.investment advisor | 0.1% | Aug 14, 2026 | $856.3K |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 0.2% | Aug 14, 2026 | $829.3K |
| MARSHALL WACE, LLPinvestment advisor | 0.2% | Aug 13, 2026 | $733.4K |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | 0.2% | Aug 14, 2026 | $701.5K |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT, LLCotherwith KEVIN TANG and 4 others | SC 13G/A | 10.0% | Nov 14, 2025 |
| ORBIMED ADVISORS LLCinvestment advisorwith ORBIMED CAPITAL GP V LLC | SC 13D/A | 8.9% | Aug 15, 2025 |
| Aaron Cowenholding companywith Averill Master Fund, Ltd. and Suvretta Capital Management, LLC | SC 13G/A | 8.2% | Aug 21, 2025 |
| STATE STREET CORPORATIONholding company | SC 13G | 5.5% | Aug 7, 2026 |
| BlackRock, Inc.holding company | SC 13G | 5.2% | Jan 21, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.